Dr Caspar Addyman is a developmental psychologist and author who has spent his career finding out why babies laugh and what this tells us about being human. His book The Laughing Baby tells the full, joyful story. He helped create The Happy Song, now heard by over 150 million people, and his Babies Laugh picture books have sold more than 60,000 copies. He is Chief Insight Officer for Early Ideas Ltd.
Award-winning books on infant development, laughter, and the science of early childhood.
Explore the books →Live science-comedy events for babies and families. Part experiment, part performance — all joy.
See upcoming shows →Pioneering research at the intersection of early childhood development and artificial intelligence.
About the research →
On 6th June 2025, early years professionals from across Northern Ireland gathered at Stranmillis College in Belfast to celebrate the
My workshop on laughing babies at the Early-Years.org 60th Anniversary conference was wonderful fun. After we’d explored
On Friday 6th June 2025, I had the privilege of running a workshop at the Early-Years.org 60th Anniversary
